What state had 21 to 40 tornadoes each year?

Ten state have this distinction. Looking at data from the period of 1991-2010 over which tornado statistics have been accurately recorded, the following states have averaged 21-40 tornadoes per year:

• Arkansas (39 per year)
• Louisiana (37)
• South Dakota (36)
• North Dakota (32)
• North Carolina (31)
• Georgia (30)
• South Carolina (27)
• Tennessee (25)
• Wisconsin (24)
• Indiana (22)

Note that these are only averages, in any given year a state may have more or fewer tornadoes, possibly outside of the 21-40 range.