In the 2016 election cycle, total amount the National Rifle Association contributed to congressional candidates: just over $1 million

In that same election cycle, total amount the NRA contributed to state-level politics, according to data from the National Institute on Money in State Politics: more than $8.3 million

Between 1990 and today, total amount the group has contributed to state-level politics: over $17 million

Percent by which NRA spending on state-level politics increased from 1990 to 2016, accounting for inflation: 21,009

Percent of the NRA's state-level political spending since 1990 that was spent in the 2010-2016 election cycles alone: 78

Of top 10 states where the NRA has spent the most on politics since 1990, number that are in the South: 4

Rank of Arkansas among the states where it spent the most in the 2016 election cycle: 3

Number of anti-gun control organizations that have spent at least $10,000 on state politics since 1990: 41

Total amount the anti-gun control lobby as a whole has spent at the state level since 1990: over $23.5 million

Amount spent at the state level by the Gun Owners Action League of Washington, which is the second-biggest anti-gun control spender after the NRA and accused Democrats and the news media of "whining" about gun regulations after the Florida massacre: over $727,000

Of the 13 Virginia state House candidates in competitive races that the NRA backed last year, number who lost: 12

Number who won in a coin toss: 1

Percentage points by which the NRA-backed GOP gubernatorial candidate lost in that Virginia election: almost 9

Year in which the pro-gun control group Everytown for Gun Safety was launched, mounting a challenge to the gun lobby's power in state legislatures: 2014

Amount by which state-level spending by pro-gun control interests since 1990 exceeds that by the anti-gun control lobby: $10.9 million

Of the total pro-gun control spending at the state level, percent that's been spent just since 2015: 99.1

Last year alone, minimum number of states that passed laws lifting controls on guns: 8

Of those states, number in the South: 3

Minimum number of states that passed new gun-control measures last year: 12

Of those states, number in the South: 2

(Click on figure to go to source. Many of the figures in this index come from the National Institute on Money in State Politics' database.)