Mo nakong ya fa e santse e le teng ,BIP e ne e diragatsa ditiro tsa diphuthego tsa kganetso. Phuthego e e tseneletse ditlhopho tse di botlhano tsa dingwaga tsa (1969, 1974, 1979, 1984, le 1989), mme ya kgona go nna le boemed kwa khudutlhamageng fela ga bedimo ngwageng wa (1969 le 1974), e ntse e fenya ditlilo tse pedi fela.