Ọ̀nà tí àwọn nǹkan dojú kọ nípa ìlò ìfètòṣọ́mọbíbí tówà lọ́wọ́lọ́wọ́, orílẹ̀-èdè Íjíbítì 1980-2014
Ọ̀nà tí àwọn nǹkan dojú kọ nípa ìlò ìfètòṣọ́mọbíbí tówà lọ́wọ́lọ́wọ́, orílẹ̀-èdè Íjíbítì 1980-2014 | (1980, 24) (1988, 38) (1992, 47) (1995, 48) (2000, 56) (2005, 59) (2008, 60) (2014, 59)
Gẹ́gẹ́bí Àwòrán 6.2 ti ńfihàn, àwọn ipele ìlò ọ̀nà ìfètòṣọ́mọbíbí lọ sókè ní kíákíá nínú àwọn ọdún mẹ́wàá tó tẹ̀lé 1980, àtipé, nígbàtí yóò fi di àkókò ti EDHS ti 1992, òdiwọ̀n ìlò ní gbògbògbòò jẹ́ ìdá 47 nínú ìdá ọgọ́ọ̀rún, bíi ìlọ́po méjì òdiwọ̀n tí a ròyìn nínú Ìwádìí Onììbéèrè Nípa Ìbísí ti Orílẹ̀-èdè Íjíbítì ti 1980 (ìdá 24 nínú ìdá ọgọ́ọ̀rún). Òdiwọ̀n ìlò tẹ̀síwájú láti máa lọ sókè—bótilẹ̀jẹ́pé ní ìwọn alágbedeméjì—tósì ńdé ìdá 60 nínú ìdá ọgọ́ọ̀rún ní àkókò EDHS ti ọdún 2003.  Láti ọdún 2003, òdiwọ̀n ìlò náà kò tíì yípadà lọ́nà tó lámì, tósì ńlọ sókè-sódò láàrin ìdá 59 àti ìdá 60 nínú ìdá ọgọ́ọ̀rún.
Gẹ́gẹ́bí Àwòrán 6.2 ti ńfihàn, àwọn ipele ìlò ọ̀nà ìfètòṣọ́mọbíbí lọ sókè ní kíákíá nínú àwọn ọdún mẹ́wàá tó tẹ̀lé 1980, àtipé, nígbàtí yóò fi di àkókò ti EDHS ti 1992, òdiwọ̀n ìlò ní gbògbògbòò jẹ́ ìdá 47 nínú ìdá ọgọ́ọ̀rún, bíi ìlọ́po méjì òdiwọ̀n tí a ròyìn nínú Ìwádìí Onììbéèrè Nípa Ìbísí ti Orílẹ̀-èdè Íjíbítì ti 1980 (ìdá 24 nínú ìdá ọgọ́ọ̀rún).