What's the frequency of the letter "e" in:
•	With the similar intensity of government investment (Government Expenditure on Tertiary Education Institutions as a % of GDP), China’s Tertiary Education Enrolment Ratio has reached 26.7%, while for all involved African countries, this ratio is lower than 13%, revealing that the African higher education systems are still in the stage of elite higher education.
•	China’s Gross Expenditure on R&D as a proportion of GDP is 1.8%, much higher than that of African countries (0.2%-0.4%). But when comparing the R&D expenditure in Higher Education sector as a percentage of GDP, the performance of the African countries is not worse than Chinese universities. The data shows that in Nigeria, Senegal and Tanzania, most R&D activities happen in the higher education sector, while in China, 90% of R&D expenditure and R&D personnel are outside the Higher Education sector.
•	The Percentage of Graduate Students for many African universities is still very low.
•	The Ratio of Number of Doctoral Degree to Number of Doctoral Students for some African universities is extremely low, indicating serious issues of lack of completion.
•	African universities performed significantly better than their Chinese peers on the indicator of share of Academic Staff (Teaching Related) with a Doctoral Degree.
•	The staff/student ratio for several African universities is low.
•	African universities did not perform well in research, as measured by the number of research staff, research income and research output.
user
There are one hundred and fifty-two "e"s in the text you provided.
assistant