*Excludes Observations that spanned multiple years

Pre 19702
19701
19710
19720
19731
19740
19751
19760
19774
19782
19791
19804
19814
19820
19830
19840
19854
19866
198710
198861
19897
199019
1991144
1992173
1993117
199438
1995103
199651
199726
19987
199956
200049
200161
200212
200312
200427
200512
200635
200724
200824
200931
201043
201155
201212
201321
201414
201513
201647
201727
201830
201944
202042
202130
202233
20234
20240
Total1544