| 年份 | 波多黎各 |
|---|---|
| 2023 | - |
| 2022 | 7.11083 |
| 2021 | 7.18996 |
| 2020 | 7.19382 |
| 2019 | 7.16051 |
| 2018 | 7.09385 |
| 2017 | 6.95535 |
| 2016 | 6.75982 |
| 2015 | 6.56351 |
| 2014 | 6.36516 |
| 2013 | 6.18617 |
| 2012 | 6.02929 |
| 2011 | 5.88545 |
| 2010 | 5.77053 |
| 2009 | 5.69913 |
| 2008 | 5.66857 |
| 2007 | 5.67066 |
| 2006 | 5.68522 |
| 2005 | 5.64832 |
| 2004 | 5.51837 |
| 2003 | 5.3434 |
| 2002 | 5.13612 |
| 2001 | 4.91567 |
| 2000 | 4.71246 |
| 1999 | 4.54991 |
| 1998 | 4.43862 |
| 1997 | 4.35196 |
| 1996 | 4.27468 |
| 1995 | 4.21335 |
| 1994 | 4.14674 |
| 1993 | 4.06363 |
| 1992 | 3.98259 |
| 1991 | 3.90434 |
| 1990 | 3.84482 |
| 1989 | 3.78199 |
| 1988 | 3.73342 |
| 1987 | 3.72174 |
| 1986 | 3.69733 |
| 1985 | 3.66031 |
| 1984 | 3.67095 |
| 1983 | 3.70147 |
| 1982 | 3.71846 |
| 1981 | 3.72149 |
| 1980 | 3.71211 |
| 1979 | 3.67077 |
| 1978 | 3.59698 |
| 1977 | 3.53767 |
| 1976 | 3.50408 |
| 1975 | 3.51451 |
| 1974 | 3.57053 |
| 1973 | 3.63562 |
| 1972 | 3.68322 |
| 1971 | 3.70938 |
| 1970 | 3.70783 |
| 1969 | 3.67217 |
| 1968 | 3.60176 |
| 1967 | 3.50309 |
| 1966 | 3.38835 |
| 1965 | 3.27467 |
| 1964 | 3.17472 |
| 1963 | 3.09221 |
| 1962 | 3.02809 |
| 1961 | 2.9831 |
| 1960 | 2.94798 |