Long-term average (over space and time) of annual endogenous precipitation (produced in the country) in volume
| 1970 | 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Canada | 5,362 | 5,362 | 5,362 | 5,362 | 5,362 | 5,362 | 5,362 | 5,362 | 5,362 | 5,362 | 5,362 | 5,305 | 5,305 | 5,305 | 5,305 | 5,302 |
| France | 476 | 476 | 476 | 476 | 476 | 476 | 476 | 476 | 476 | 476 | 476 | 476 | 476 | 476 | 476 | 476 |
| Germany | 250 | 250 | 250 | 250 | 250 | 250 | 250 | 250 | 250 | 250 | 250 | 250 | 250 | 250 | 250 | 250 |
| Italy | 251 | 251 | 251 | 251 | 251 | 251 | 251 | 251 | 251 | 251 | 251 | 251 | 251 | 251 | 251 | 251 |
| Japan | 630 | 630 | 630 | 630 | 630 | 630 | 630 | 630 | 630 | 630 | 630 | 630 | 630 | 630 | 630 | 630 |
| United Kingdom | 297 | 297 | 297 | 297 | 297 | 297 | 297 | 297 | 297 | 297 | 297 | 297 | 297 | 297 | 297 | 297 |
| United States of America | 6,885 | 6,885 | 6,887 | 6,887 | 7,030 | 7,030 | 7,030 | 7,030 | 7,030 | 7,030 | 7,030 | 7,030 | 7,030 | 7,030 | 7,030 | 7,030 |