*Excludes Observations that spanned multiple years

Pre 19706
19701
19710
19720
19730
19741
19751
197617
197715
19782
19791
19804
198127
19820
19830
19841
19850
19865
19871
19885
19890
19905
199113
199243
199330
199413
199535
199641
199793
19981
199945
20000
200185
20023
200333
200442
200515
200657
20074
20084
20097
201073
201168
201216
2013116
2014161
2015150
2016206
2017267
2018199
2019254
2020277
2021277
2022317
20237
20241
Total3045