month       bms   ave angle       ave size        
12/2015     21    39                  NA                  
1/2016      29    55                  NA                  
2/2016      28    72                  NA                  
3/2016      25    55                  NA                  
4/2016      32    46                  NA                  
5/2016      32    48                  NA                  
6/2016      33    43                  NA                  
7/2016      29    47                  NA                  
8/2016      33    49                  NA                  
9/2016      43    49                  NA                  
10/2016     32    52                  NA                  
11/2016     30    44                  NA                  
12/2016     31    45                  NA                  
1/2017      31    43                  NA                  
2/2017      28    48                  NA                  
3/2017      31    45                  NA                  
4/2017      36    84                  NA                  
5/2017      35    90                  NA                  
6/2017      41    87                  NA                  
7/2017      39    87                  NA                  
8/2017      50    90                  1.866666666666667   
9/2017      52    89                  2.041666666666667   
10/2017     47    90                  2.125               
11/2017     44    88                  1.89080459770115    
12/2017     47    90                  2.172413793103448   
1/2018      53    87                  2.683333333333333   
2/2018      46    86                  2.461111111111111   
3/2018      43    88                  2.730769230769231   
4/2018      42    86                  2.379310344827586   
5/2018      50    88                  2.594827586206896   
6/2018      43    88                  2.321428571428572   
7/2018      50    85                  2.701149425287356   
8/2018      50    83                  2.413793103448276   
9/2018      37    77                  2.172413793103448   
10/2018     33    68                  1.726190476190476   
11/2018     35    71                  2.461111111111111   
12/2018     31    69                  2.047619047619048   
1/2019      34    64                  2                   
2/2019      33    74                  2.896551724137931   
3/2019      37    72                  3.08641975308642    
4/2019      31    65                  2                   
5/2019      34    76                  3                   
6/2019      32    73                  3.939655172413793   
7/2019      30    75                  3.57                
8/2019      35    76                  4                   
9/2019      27    71                  4.142857142857143   
10/2019     26    60                  3                   
11/2019     24    79                  4                   
12/2019     23    79                  4                   
1/2020      23    79                  3                   
2/2020      27    82                  4.655172413793103   
3/2020      26    76                  4.351851851851852   
4/2020      26    73                  3.592592592592593   
5/2020      24    72                  3                   
6/2020      26    71                  3                   
7/2020      26    54                  4.49404761904762    
8/2020      28    67                  5                   
9/2020      26    58                  5                   
10/2020     28    69                  5                   
11/2020     26    72                  6                   
12/2020     26    56                  5.401785714285714   
1/2021      29    48                  4.649425287356321   
2/2021      30    61                  4.875               
3/2021      31    83                  6.306666666666667   
4/2021      27    82                  5.243827160493827   
5/2021      28    77                  5.884615384615385   
6/2021      33    82                  6.192528735632184   
7/2021      26    84                  4.831481481481481   
8/2021      52    88                  9.316091954022989   
9/2021      47    88                  9                   
10/2021     42    87                  11.2183908045977    
11/2021     43    86                  11.45               
12/2021     44    88                  14.44444444444444   
1/2022      40    86                  10.85833333333333   
2/2022      38    84                  8                   
3/2022      36    86                  9.673076923076923   
4/2022      42    87                  8.077380952380953   
5/2022      42    81                  8.944444444444445   
6/2022      31    73                  9.107142857142858   
7/2022      33    81                  7.197530864197533   
8/2022      34    85                  6.788855572213892   
9/2022      35    84                  7.584482758620689   
10/2022     31    85                  7.548076923076923   
11/2022     36    87                  8.077777777777778   
12/2022     35    89                  8.976543209876544   
1/2023      26    86                  7.074074074074074   
2/2023      27    90                  7                   
3/2023      27    90                  7.34                
4/2023      34    90                  9                   
5/2023      24    84                  6                   
7/2023      29    86                  7                   
8/2023      27    82                  6                   
9/2023      28    83                  10                  
10/2023     22    81                  6.247999999999999   
11/2023     26    85                  8                   
12/2023     26    85                  8.456790123456791   
1/2024      32    87                  9                   
2/2024      30    88                  8.201923076923077