Datasets:
| Year,Portugal,"Iran, Islamic Rep." | |
| 1980,54.0,39.0 | |
| 1981,49.0,48.0 | |
| 1982,46.0,55.0 | |
| 1983,48.0,38.0 | |
| 1984,48.0,38.0 | |
| 1985,70.0,62.0 | |
| 1986,75.0,55.0 | |
| 1987,81.0,55.0 | |
| 1988,84.0,83.0 | |
| 1989,96.0,79.0 | |
| 1990,85.0,85.0 | |
| 1991,96.0,84.0 | |
| 1992,99.0,96.0 | |
| 1993,95.0,96.0 | |
| 1994,91.0,97.0 | |
| 1995,94.0,95.0 | |
| 1996,99.0,99.0 | |
| 1997,96.0,95.0 | |
| 1998,96.0,99.0 | |
| 1999,92.0,99.0 | |
| 2000,87.0,99.0 | |
| 2001,90.0,96.0 | |
| 2002,93.0,99.0 | |
| 2003,96.0,99.0 | |
| 2004,95.0,96.0 | |
| 2005,93.0,94.0 | |
| 2006,97.0,99.0 | |
| 2007,95.0,97.0 | |
| 2008,97.0,98.0 | |
| 2009,95.0,99.0 | |
| 2010,96.0,99.0 | |
| 2011,97.0,99.0 | |
| 2012,97.0,98.0 | |
| 2013,98.0,98.0 | |
| 2014,98.0,99.0 | |
| 2015,98.0,99.0 | |
| 2016,98.0,99.0 | |
| 2017,98.0,99.0 | |
| 2018,99.0,99.0 | |
| 2019,99.0,99.0 | |
| 2020,99.0,99.0 | |
| 2021,98.0,99.0 | |
| 2022,98.0,99.0 | |
| 2023,98.0,99.0 | |
| 2024,99.0,99.0 | |