Canoe or Dinghy?

A sailing company is temporarily closing down to build more boats. It takes them 1 day to build a canoe, and 2 days to build a sailing dinghy. They can only build one boat at a time. They work everyday and are always building either a canoe or a dinghy. If they closed for 4 days, they would have 3 options available to them: to build 4 canoes, to build 2 canoes and a dinghy or to build 2 dinghies. If the sailing company closed for a year (that is not a leap year), how many options would be available to them?

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