The provided bar chart illustrates the differences in the number of girls per 100 boys involved in various levels of school educational centres, encompassing primary education, secondary education, and tertiary education, from 1990 to 1998.
Notably, it is noticeable that tertiary education was observed to have the highest proportion compared with other properties. Overall, developing countries took last place in the initial year; however, in the following years, it slightly upsurged and remained unchanged.
Turning to the details, the number of girls in primary education in developing countries registered roughly at 83, in 1990; on the contrary, in 1998, it sharply moved upward and reached 87. In addition, improving countries in elementary school was seen a significant increase, and in 1990, constituting 95, and in 1998, remained constant at 96.
Furthermore, the number of girls in secondary education witnessed a substantial reduction compared with primary education; conversely, in 1990, it accounted for 72, and in the subsequent periods it reached 82. In addition, developed countries for both years stayed at 98 and 99. Lastly, developing countries in tertiary education recorded insufficient part in the commencement in 1990, at 66 and 75; meanwhile, developed countries saw considerable growth and levelled out for both years at 105 and 112, respectively.