| 年份 | 汤加工业增加值占GDP比重 | 
|---|---|
| 2023 | 13.52% | 
| 2022 | 15.55% | 
| 2021 | 17.90% | 
| 2020 | 15.10% | 
| 2019 | 15.67% | 
| 2018 | 15.34% | 
| 2017 | 16.42% | 
| 2016 | 15.97% | 
| 2015 | 15.55% | 
| 2014 | 16.13% | 
| 2013 | 15.90% | 
| 2012 | 18.87% | 
| 2011 | 19.09% | 
| 2010 | 18.04% | 
| 2009 | 16.77% | 
| 2008 | 15.51% | 
| 2007 | 15.70% | 
| 2006 | 15.32% | 
| 2005 | 16.66% | 
|  | |
| 2004 | 16.56% | 
| 2003 | 17.07% | 
| 2002 | 17.69% | 
| 2001 | 18.42% | 
| 2000 | 18.11% | 
| 1999 | 17.11% | 
| 1998 | 16.40% | 
| 1997 | 16.71% | 
| 1996 | 18.90% | 
| 1995 | 18.71% | 
| 1994 | 17.75% | 
| 1993 | 10.05% | 
| 1992 | 10.93% | 
| 1991 | 9.99% | 
| 1990 | 11.71% | 
| 1989 | 12.70% | 
| 1988 | 10.81% | 
| 1987 | 10.83% | 
| 1986 | 12.33% | 
| 1985 | 12.56% | 
|  | |
| 1984 | 14.02% | 
| 1983 | 13.44% | 
| 1982 | 10.65% | 
| 1981 | 11.20% | 
| 1980 | 12.54% | 
| 1979 | 13.15% | 
| 1978 | 11.95% | 
| 1977 | 9.86% | 
| 1976 | 9.23% | 
| 1975 | 8.77% |