You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Institute_of_technology

Context:
However, in Bahasa Indonesia, Politeknik carries a rather different meaning than Institut Teknologi. Politeknik provides vocational education and typically offers three-year Diploma degrees, which is similar to associate degrees, instead of full, four-year bachelor's degree and the more advanced Master's and doctoral degrees being offered by an Institut Teknologi.

Question:
Rather than four-year Bachelor's degrees, Politeknik offer a diploma after how many years?

three