Answer the following question based on the information given below.
The figures below present annual growth rate, expressed as the $\%$ change relative to the previous year, in four sectors of the economy of the Republic of Reposia during the $9$ year period from $1990$ to $1998.$ Assume that the index of production for each of the four sectors is set at $100$ in $1989.$ Further, the four sectors manufacturing, mining and quarrying, electricity, and chemicals, respectively, constituted $20\%, 15\%, 10\%$ and $15\%$ of total industrial production in $1989.$
When was the highest level of production in the manufacturing sector achieved during the nine year period $1990-1998?$
- $1998$
- $1995$
- $1990$
- Cannot be determined