There's an increase in the number of medical professionals over time. During the 1980s, the government initiated a program to locate midwives in villages.
Source: http://www.bps.go.id/eng/tab_sub/view.php?kat=1&tabel=1&daftar=1&id_subyek=30¬ab=41
CODES:
staff <- read.csv(file = "staff.csv")
staff2 <- t(staff)
barplot(staff2, main="Number of medical professionals",
col=c("coral3","steelblue3"), beside=TRUE,
names.arg=c(1974:1999, 2003:2012), las=2,
legend=c("Doctors","Nurses/Midwives"), args.legend = list(x="left"))