*Excludes Observations that spanned multiple years

Pre 197046
19700
19711
19721
19737
19742
19750
19763
19772
19782
19792
19801
19810
19826
19831
19841
19853
19862
19872
19880
19890
19900
19910
19920
19931
19940
19950
19960
19971
19981
19992
20001
20011
20021
20030
20041
20052
20060
20071
200856
200937
201097
2011229
2012442
201372
2014308
2015498
2016384
2017285
2018355
2019314
2020287
2021312
2022326
2023311
202413
Total4420