text: cf Cameroon -----------------------------------------------------------------1970 100 100 100 100 1971 94 106 81 99 1972 96 107 80 94 1973 93 99 90 88 1974 90 113 103 86 1975 78 141 97 87 1976 56 135 83 88 1977 37 105 80 97 1978 43 122 92 166 1979 51 106 91 126 1980 40 101 98 123 SoL rce: Ccrnpilec! f rcn: data pub! ished i r: Cocca Statistics, Nay 198~ (Lon; cr., Gill a r:d Duffus, 1982), table 22. Ncte: Historical prices have been adjusted by local feed. i nfla tic :i i rLexes tc :;ut them on a ccmpa ra ble price basis in 1 c­ ca 1 currency. 45. In Ghara, cccca production declired to 230,000 tor.r-:es ir: 1981 ccmparec: '=.O 250,000 tonr:es ir, 1980, little !'!'ere than half the anr.ual avernqe of 430,000 tcnr:es attair:ed ir, 1969-1971. The steady dec! ire in cccoa productic.·n in Ghana is ascribed tc the heavy tax impc .. sed on farr.:ers by the Gcverr.r:;er:t thrcuah the Cocca 1-iarketir.q Be<.:.rd 's pr~ce pclicies. l.,s can be seen frcm table IV.A.lL th~:: Ghanaiar farr.1er received 60 per cent less fer his prcxluction ir: 1980 t::ar. ir. 197C'. l-:or~::over, the real effective exchange rate for coc<..a has declired drastically, so that farmers have been reluctc:l nt tc step up prcducticn. 44 E 1 ECJ, I c~:. 915 46. There v1ere sCI:le f)Csitive developments in ac;riculture in 1980181 v.·hich uay help tc ease the fiituatior, recardir.q cash crcps ir~ tne years ahec:;.u. In Sierril Leor.L:, for examr:le, the num­ ber o~ acres plar:ted by the Sierra Lecr:e Prcduce ~lan~etirc Beard under its cccou. arc ccffee re!tabilitu.ticr procramr.1e increased tc 400 acres ir• 1980181, rr:ore tl'un tvJice tLe area covered in 1979180. Ey til·.~ er:d of 198fli8L the Sierra Lecne ,',aricultural 
analysis: The text appears to be discussing the economic situation of a country, specifically Ghana, and its impact on agriculture and coffee production. It mentions the decline in cocoa production, taxes imposed on farmers, and the effect of the real effective exchange rate on farmers' willingness to produce. The text also touches on agricultural development in another country, Sierra Leone. Given the focus on economic issues and their impact on agriculture, it is likely that the text falls under the categories of economic development and agriculture, forestry and fishing.