| 年份 | 波多黎各 |
|---|---|
| 2023 | - |
| 2022 | 6.12643 |
| 2021 | 6.11728 |
| 2020 | 6.05625 |
| 2019 | 5.93408 |
| 2018 | 5.75799 |
| 2017 | 5.50469 |
| 2016 | 5.19005 |
| 2015 | 4.87935 |
| 2014 | 4.61084 |
| 2013 | 4.38488 |
| 2012 | 4.18447 |
| 2011 | 4.01126 |
| 2010 | 3.8718 |
| 2009 | 3.74744 |
| 2008 | 3.61499 |
| 2007 | 3.47898 |
| 2006 | 3.35483 |
| 2005 | 3.26338 |
| 2004 | 3.23599 |
| 2003 | 3.2666 |
| 2002 | 3.3054 |
| 2001 | 3.31998 |
| 2000 | 3.2847 |
| 1999 | 3.19744 |
| 1998 | 3.08745 |
| 1997 | 2.99434 |
| 1996 | 2.93505 |
| 1995 | 2.88105 |
| 1994 | 2.81653 |
| 1993 | 2.74362 |
| 1992 | 2.67687 |
| 1991 | 2.60849 |
| 1990 | 2.54732 |
| 1989 | 2.50542 |
| 1988 | 2.49288 |
| 1987 | 2.4909 |
| 1986 | 2.48764 |
| 1985 | 2.47952 |
| 1984 | 2.43689 |
| 1983 | 2.35554 |
| 1982 | 2.25888 |
| 1981 | 2.1696 |
| 1980 | 2.09884 |
| 1979 | 2.05383 |
| 1978 | 2.03177 |
| 1977 | 2.01445 |
| 1976 | 1.96467 |
| 1975 | 1.89605 |
| 1974 | 1.83153 |
| 1973 | 1.77883 |
| 1972 | 1.73594 |
| 1971 | 1.7063 |
| 1970 | 1.68432 |
| 1969 | 1.65126 |
| 1968 | 1.61011 |
| 1967 | 1.57116 |
| 1966 | 1.53358 |
| 1965 | 1.49727 |
| 1964 | 1.46189 |
| 1963 | 1.42449 |
| 1962 | 1.38253 |
| 1961 | 1.3373 |
| 1960 | 1.28963 |