Middle income

Land area (sq km)

Year	Value
2021	78,883,894.47
2020	78,868,790.403
2019	78,871,852.37
2018	78,872,660.3
2017	78,872,639.4
2016	78,879,194.4
2015	78,879,516.4
2014	78,875,417.921
2013	78,876,389.383
2012	78,879,509.946
2011	78,879,700.947
2010	78,879,404.418
2009	78,879,140.134
2008	78,881,780.887
2007	78,882,648.893
2006	78,882,953.493
2005	78,782,601.891
2004	78,779,773.519
2003	78,781,573.758
2002	78,774,800.168
2001	78,777,691.942
2000	78,778,626.742
1999	78,723,479.742
1998	78,716,660.742
1997	78,742,651.742
1996	78,741,970.742
1995	78,742,414.742
1994	78,745,394.742
1993	78,757,191.742
1992	78,760,917.742
1991	57,371,222.742
1990	57,369,882.742
1989	57,369,882.742
1988	57,369,882.742
1987	57,369,882.742
1986	57,369,882.742
1985	57,369,882.742
1984	57,369,882.742
1983	57,369,882.742
1982	57,369,882.742
1981	57,369,882.742
1980	57,369,882.742
1979	57,369,882.742
1978	57,369,882.742
1977	57,369,882.742
1976	57,369,882.742
1975	57,370,012.742
1974	57,370,032.742
1973	57,370,072.742
1972	57,370,142.742
1971	57,370,142.742
1970	57,370,142.742
1969	57,370,142.742
1968	57,370,142.742
1967	57,370,142.742
1966	57,370,142.742
1965	57,370,142.742
1964	57,370,142.742
1963	57,370,142.742
1962	57,370,142.742
1961	57,370,142.742