| 年份 | 波多黎各 |
|---|---|
| 2023 | - |
| 2022 | 3.58524 |
| 2021 | 3.59348 |
| 2020 | 3.65134 |
| 2019 | 3.75835 |
| 2018 | 3.95994 |
| 2017 | 4.21784 |
| 2016 | 4.46315 |
| 2015 | 4.6863 |
| 2014 | 4.91169 |
| 2013 | 5.12568 |
| 2012 | 5.30116 |
| 2011 | 5.45216 |
| 2010 | 5.59533 |
| 2009 | 5.69232 |
| 2008 | 5.77368 |
| 2007 | 5.91046 |
| 2006 | 6.09777 |
| 2005 | 6.33358 |
| 2004 | 6.5901 |
| 2003 | 6.83889 |
| 2002 | 7.06563 |
| 2001 | 7.25885 |
| 2000 | 7.41276 |
| 1999 | 7.5507 |
| 1998 | 7.69834 |
| 1997 | 7.85291 |
| 1996 | 8.01313 |
| 1995 | 8.17703 |
| 1994 | 8.32614 |
| 1993 | 8.43617 |
| 1992 | 8.50077 |
| 1991 | 8.51544 |
| 1990 | 8.48736 |
| 1989 | 8.50328 |
| 1988 | 8.60808 |
| 1987 | 8.80061 |
| 1986 | 9.09237 |
| 1985 | 9.4403 |
| 1984 | 9.78455 |
| 1983 | 10.0671 |
| 1982 | 10.2729 |
| 1981 | 10.404 |
| 1980 | 10.4631 |
| 1979 | 10.4987 |
| 1978 | 10.5618 |
| 1977 | 10.6499 |
| 1976 | 10.7515 |
| 1975 | 10.8544 |
| 1974 | 10.9096 |
| 1973 | 10.9503 |
| 1972 | 11.0486 |
| 1971 | 11.2151 |
| 1970 | 11.491 |
| 1969 | 11.9414 |
| 1968 | 12.449 |
| 1967 | 12.8838 |
| 1966 | 13.2747 |
| 1965 | 13.643 |
| 1964 | 13.9829 |
| 1963 | 14.2483 |
| 1962 | 14.4346 |
| 1961 | 14.5915 |
| 1960 | 14.7131 |