<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.mkutano huo kwa kawaida hufanyika kila baada ya miaka miwili, na mkutano wao wa nara ya mwisho ulifanyika huko harare zimbabwe kunako 2017.  <response>: bpsc takes place every two years and in fact this is just its second outing, the inaugural meeting was in glasgow in december 2017. 