Need to understand few basics : Data structures and Functions??? - page 2

There is no bigger period than month (MN1)! You have to calc. them yourself.

There is no yearly period in MT4 https://docs.mql4.com/constants/chartconstants/enum_timeframes

If you wish to construct yearly candles, you'll either need to use a Custom Candles type of indicator, or make an offline chart.