For the Naive 1 forecast below:

Year	Total Exprts	Nave Forecast
1960	25,939
1961	26403	25,939
1962	27722	26,403
1963	29620	27,722
1964	33340	29,620
1965	35285	33,340
1966	38926	35,285
1967	41333	38,926
1968	45544	41,333
1969	49220	45,544
1970	56640	49,220
1971	59677	56,640
1972	67223	59,677
1973	91242	67,223
1974	120897	91,242
1975	132585	1,20,897
1976	142716	1,32,585
1977	152302	1,42,716
1978	178428	1,52,302
1979	224132	1,78,428
1980	271835	2,24,132
1981	294399	2,71,835
1982	275235	2,94,399
1983	266106	2,75,235
1984	291094	2,66,106
1985	289071	2,91,094
1986	310034	2,89,071
1987	348869	3,10,034
1988	431150	3,48,869
1989	487003	4,31,150
1990	535234	4,87,003
1991	578343	5,35,234
1992	616882	5,78,343
1993	642863	6,16,882
1994	703254	6,42,863
1995	794387	7,03,254
1996	851602	7,94,387
1997	934453	8,51,602
1998	933174	9,34,453
1999	976525	9,33,174
2000	1082963	9,76,525
2001	1015366	10,82,963
2002	986095	10,15,366
2003	1028186	9,86,095
2004	1168120	10,28,186
2005	1291503	11,68,120
2006	1463991	12,91,503
2007	1660815	14,63,991
2008	1849586	16,60,815
2009	1592792	18,49,586
2010	1872320	15,92,792
2011	2143552	18,72,320
2012	2247453	21,43,552
2013	2313237	22,47,453
2014	2392268	23,13,237
2015	2279743	23,92,268
2016	2237923	22,79,743
2017	2387391	22,37,923
2018	2539383	23,87,391
2019	2528262	25,39,383

Calculate:

1. Mean Error
2. Mean Absolute Error
3. Mean Percentage Error
4. Mean Absolute Percentage Error
5. Mean-Squared Error
6. Root-Mean-Squared Error
7. Theil's U