*Excludes Observations that spanned multiple years

Pre 19702
19700
19710
19720
19730
19740
19750
19760
19770
19780
19790
19800
19810
19820
19830
19840
19850
19860
19870
19880
19890
19904
19915
19924
19934
19943
19952
199613
19971
19980
19990
20000
20010
20020
20030
20040
20051
20060
20070
20081
20092
20106
20119
201219
201319
201419
201522
201625
20170
20180
20190
20200
20210
20220
20230
20240
Total161