*Excludes Observations that spanned multiple years

Pre 19701
19700
19711
19720
19730
19740
19750
19760
19771
19780
19792
19802
19816
19821
19832
19843
19851
19866
19873
198812
198918
19902
199129
199224
199351
199424
199563
199615
199735
19984
199915
20006
20018
200212
200310
20041
200532
20069
20071
20081
20092
201029
201141
20129
201360
201441
201536
201671
2017119
2018120
2019182
2020131
2021151
2022134
2023148
20244
Total1679