How many kinds of ancient coins with big characters were there in the history of China, such as Dazhong Bao Tong in the Song Dynasty?

In the history of China, how many kinds of ancient coins began with big characters? They are: Bao Tong, Dayuan National Treasure, Dali Yuanbao, Datong Two Years, Datong Three Years, Daming Royal Product, Daqi Bao Tong, Jin Kui Yuanbao, Jin Kui Daqianbao, Jin Kui Bao Tong, Daguan Bao Tong, Dasong Yuanbao, Daming Tongbao, Dading Tongbao, Dashun Tongbao, Daquan 2000 and Daquan.