Fuel UilNatural GasCoal and CokeHydropower Biomass Biogas Solar Total Diesel 2252 145 1842 244 296 2497 1978 247 1930 287 383 2762 1979 2059 2809 1980 1981 273 2097 403 394 3120 3344 1982 333 2358 461 454 1983 2370 3666 2351 913 1984 321 345 2174 539 1019 4077 4225 1985 239 2213 703 1070 1986 1212 4299 4633 1987 183 2086 818 233 2051 990 1288 1988 319 502 1203 5016 1004 1989 1888 6078 1361 813 915 1990 116 2873 164 2687 253 363 1053 7400 1991 2352 3144 968 997 7621 1992 160 87 2388 4374 884 1262 8995 1993 5119 1652 1994 249 1957 925 957 11249 265 2073 6414 1540 12320 1995 1996 284 2354 7489 950 1243 185 2482 7531 8821 790 11870 1997 1113 13368 886 9641 275 2130 950 899L 14284 1998 10162 1332 15470 1999 172 191 592 11580 1495 1612 1687 16611 2000 278 730 11922 1994 18148 2001 2002 476 1363 12424 2556 1329 10893 4104 1056 16682 289 2003 274 10545 5327 1329 17747 2004 19698 12271 5541 1313 20843 2005 12524 5964 1567 2006 7486 1522 22070 12549 24164 2007 13651 8069 1964 2008 24616 13390 9010 1627 2009 384 27696 12628 12951 1577 27924 2010 415 981 1103 10977 13013 1850 2011 811 550 11533 14138 2150 29262 2012 392 13527 2688 30958 2013 623 13520 3038 31608 2014 622 269 13860 3648 3582 33133 13378 15627 2015 279 101 165 155 13260 17 101 4499 35348 2016 147 11872 8967 6240 37510 11542 6230 38724 2017 187 20472 2018 Based on the above table, discuss the energy input used in power stations (in ktoe). What conclusions can be drawn from the above table? Give suggestions of any problems that you foresee on biomass, biogas and solar energy input. [7 marks]