This task involves creating answers to complex questions, from a given passage. Answering these questions, typically involve understanding multiple sentences. Make sure that your answer has the same type as the "answer type" mentioned in input. The provided "answer type" can be of any of the following types: "span", "date", "number". A "span" answer is a continuous phrase taken directly from the passage or question. You can directly copy-paste the text from the passage or the question for span type answers. If you find multiple spans, please add them all as a comma separated list. Please restrict each span to five words. A "number" type answer can include a digit specifying an actual value. For "date" type answers, use DD MM YYYY format e.g. 11 Jan 1992. If full date is not available in the passage you can write partial date such as 1992 or Jan 1992. If you find multiple spans, please add them all as a comma separated list. Please restrict each span to five words.
Q: Passage: Ashkelon was formally granted to Israel The average tariff rate on dutiable imports increased from 40.1% in 1929 to 59.1% in 1932 (+19%). However, it was already consistently at high level between 1865 and 1913 (from 38% to 52%). Moreover, It had also risen sharply in 1861 (from 18.61% to 36.2%; +17.6), between 1863 and 1866 (from 32.62% to 48.33%; +15.7%), between 1920 and 1922 (from 16.4% to 38.1%; +21.7%), without producing global depressions.
Question: How many years did it take the tariff rate on imports to increase 19% after 1929?
Answer type: Number
A:
3.