| 年份 | 波多黎各 |
|---|---|
| 2023 | - |
| 2022 | 6.6716 |
| 2021 | 6.302 |
| 2020 | 5.96772 |
| 2019 | 5.69634 |
| 2018 | 5.42743 |
| 2017 | 5.17773 |
| 2016 | 4.96217 |
| 2015 | 4.77164 |
| 2014 | 4.61336 |
| 2013 | 4.48068 |
| 2012 | 4.35794 |
| 2011 | 4.2368 |
| 2010 | 4.11784 |
| 2009 | 4.0261 |
| 2008 | 3.942 |
| 2007 | 3.84024 |
| 2006 | 3.72694 |
| 2005 | 3.59897 |
| 2004 | 3.46832 |
| 2003 | 3.34971 |
| 2002 | 3.23213 |
| 2001 | 3.10225 |
| 2000 | 2.98157 |
| 1999 | 2.88705 |
| 1998 | 2.82022 |
| 1997 | 2.76784 |
| 1996 | 2.7232 |
| 1995 | 2.67155 |
| 1994 | 2.59777 |
| 1993 | 2.51972 |
| 1992 | 2.44807 |
| 1991 | 2.37468 |
| 1990 | 2.29329 |
| 1989 | 2.18775 |
| 1988 | 2.10501 |
| 1987 | 2.06032 |
| 1986 | 2.00786 |
| 1985 | 1.94518 |
| 1984 | 1.87064 |
| 1983 | 1.80648 |
| 1982 | 1.75599 |
| 1981 | 1.71363 |
| 1980 | 1.66958 |
| 1979 | 1.6255 |
| 1978 | 1.60767 |
| 1977 | 1.61793 |
| 1976 | 1.63241 |
| 1975 | 1.6356 |
| 1974 | 1.63416 |
| 1973 | 1.63946 |
| 1972 | 1.65541 |
| 1971 | 1.6815 |
| 1970 | 1.70153 |
| 1969 | 1.66482 |
| 1968 | 1.58437 |
| 1967 | 1.50544 |
| 1966 | 1.42961 |
| 1965 | 1.36084 |
| 1964 | 1.30109 |
| 1963 | 1.24751 |
| 1962 | 1.19763 |
| 1961 | 1.15961 |
| 1960 | 1.13058 |