| 年份 | 波多黎各 |
|---|---|
| 2023 | - |
| 2022 | 4.31118 |
| 2021 | 4.13733 |
| 2020 | 3.94242 |
| 2019 | 3.76991 |
| 2018 | 3.60972 |
| 2017 | 3.42933 |
| 2016 | 3.24149 |
| 2015 | 3.07858 |
| 2014 | 2.93161 |
| 2013 | 2.79316 |
| 2012 | 2.67028 |
| 2011 | 2.56191 |
| 2010 | 2.45886 |
| 2009 | 2.35615 |
| 2008 | 2.26933 |
| 2007 | 2.20282 |
| 2006 | 2.14932 |
| 2005 | 2.10373 |
| 2004 | 2.05455 |
| 2003 | 2.00569 |
| 2002 | 1.96224 |
| 2001 | 1.93421 |
| 2000 | 1.91164 |
| 1999 | 1.89877 |
| 1998 | 1.88902 |
| 1997 | 1.86749 |
| 1996 | 1.84186 |
| 1995 | 1.81345 |
| 1994 | 1.7908 |
| 1993 | 1.79934 |
| 1992 | 1.81676 |
| 1991 | 1.82871 |
| 1990 | 1.8424 |
| 1989 | 1.82369 |
| 1988 | 1.75708 |
| 1987 | 1.67871 |
| 1986 | 1.62027 |
| 1985 | 1.56949 |
| 1984 | 1.51527 |
| 1983 | 1.46535 |
| 1982 | 1.43825 |
| 1981 | 1.42263 |
| 1980 | 1.39974 |
| 1979 | 1.36405 |
| 1978 | 1.32276 |
| 1977 | 1.26809 |
| 1976 | 1.21084 |
| 1975 | 1.1801 |
| 1974 | 1.1705 |
| 1973 | 1.16739 |
| 1972 | 1.16714 |
| 1971 | 1.16736 |
| 1970 | 1.16839 |
| 1969 | 1.16445 |
| 1968 | 1.1523 |
| 1967 | 1.13354 |
| 1966 | 1.10761 |
| 1965 | 1.07494 |
| 1964 | 1.03612 |
| 1963 | 0.993301 |
| 1962 | 0.949211 |
| 1961 | 0.905171 |
| 1960 | 0.86043 |