| 年份 | 波多黎各 |
|---|---|
| 2023 | - |
| 2022 | 4.7201 |
| 2021 | 4.80332 |
| 2020 | 4.91004 |
| 2019 | 5.00115 |
| 2018 | 5.09154 |
| 2017 | 5.24081 |
| 2016 | 5.4418 |
| 2015 | 5.66555 |
| 2014 | 5.90245 |
| 2013 | 6.13972 |
| 2012 | 6.35824 |
| 2011 | 6.54949 |
| 2010 | 6.71679 |
| 2009 | 6.86865 |
| 2008 | 7.0085 |
| 2007 | 7.13863 |
| 2006 | 7.26001 |
| 2005 | 7.36708 |
| 2004 | 7.44634 |
| 2003 | 7.48427 |
| 2002 | 7.49026 |
| 2001 | 7.48681 |
| 2000 | 7.49608 |
| 1999 | 7.51895 |
| 1998 | 7.55239 |
| 1997 | 7.61269 |
| 1996 | 7.72461 |
| 1995 | 7.90934 |
| 1994 | 8.15385 |
| 1993 | 8.42225 |
| 1992 | 8.69474 |
| 1991 | 8.93461 |
| 1990 | 9.10114 |
| 1989 | 9.1779 |
| 1988 | 9.19267 |
| 1987 | 9.18838 |
| 1986 | 9.20111 |
| 1985 | 9.24296 |
| 1984 | 9.29129 |
| 1983 | 9.37578 |
| 1982 | 9.5344 |
| 1981 | 9.78298 |
| 1980 | 10.1079 |
| 1979 | 10.4212 |
| 1978 | 10.6894 |
| 1977 | 10.9287 |
| 1976 | 11.1128 |
| 1975 | 11.278 |
| 1974 | 11.4547 |
| 1973 | 11.634 |
| 1972 | 11.8282 |
| 1971 | 12.0249 |
| 1970 | 12.1529 |
| 1969 | 12.1083 |
| 1968 | 11.9625 |
| 1967 | 11.8455 |
| 1966 | 11.7672 |
| 1965 | 11.7535 |
| 1964 | 11.8486 |
| 1963 | 12.0715 |
| 1962 | 12.4177 |
| 1961 | 12.8462 |
| 1960 | 13.236 |