| 年份 | 波多黎各 |
|---|---|
| 2023 | - |
| 2022 | 4.94101 |
| 2021 | 4.71721 |
| 2020 | 4.51706 |
| 2019 | 4.34081 |
| 2018 | 4.14136 |
| 2017 | 3.92299 |
| 2016 | 3.70174 |
| 2015 | 3.50016 |
| 2014 | 3.33016 |
| 2013 | 3.19448 |
| 2012 | 3.08098 |
| 2011 | 2.97962 |
| 2010 | 2.89133 |
| 2009 | 2.81857 |
| 2008 | 2.75165 |
| 2007 | 2.68353 |
| 2006 | 2.6188 |
| 2005 | 2.55743 |
| 2004 | 2.50383 |
| 2003 | 2.45588 |
| 2002 | 2.40407 |
| 2001 | 2.34632 |
| 2000 | 2.29246 |
| 1999 | 2.24043 |
| 1998 | 2.19489 |
| 1997 | 2.15857 |
| 1996 | 2.12254 |
| 1995 | 2.0956 |
| 1994 | 2.06522 |
| 1993 | 2.02212 |
| 1992 | 1.97678 |
| 1991 | 1.92821 |
| 1990 | 1.8724 |
| 1989 | 1.79497 |
| 1988 | 1.72761 |
| 1987 | 1.68213 |
| 1986 | 1.63037 |
| 1985 | 1.58182 |
| 1984 | 1.53281 |
| 1983 | 1.4875 |
| 1982 | 1.4352 |
| 1981 | 1.37552 |
| 1980 | 1.33825 |
| 1979 | 1.32488 |
| 1978 | 1.32671 |
| 1977 | 1.34225 |
| 1976 | 1.36708 |
| 1975 | 1.39429 |
| 1974 | 1.41869 |
| 1973 | 1.44542 |
| 1972 | 1.4781 |
| 1971 | 1.51331 |
| 1970 | 1.52925 |
| 1969 | 1.47386 |
| 1968 | 1.36808 |
| 1967 | 1.26647 |
| 1966 | 1.17235 |
| 1965 | 1.08898 |
| 1964 | 1.01631 |
| 1963 | 0.951883 |
| 1962 | 0.893792 |
| 1961 | 0.845098 |
| 1960 | 0.806264 |