List of anti-tank guns

Columns: Caliber ( mm ) | Weapon name | Country of origin | Period
13.2 | MG 18 TuF | German Empire | World War I | 25 | 25 mm Hotchkiss anti-tank gun | France | World War II | 25 | 25 mm APX modèle 1937 | France | World War II | 25 | Type 96 25 mm AT/AA Gun | Japan | World War II | 28 - 20 | 2.8 cm sPzB 41 | Nazi Germany | World War II | 37 | 3.7 cm TAK 1918 | German Empire | World War I | 37 | AC 37 anti-tank gun | France | World War II

Example questions:
How many in the nation that invented the 37 mm Bofors towed anti-tank gun have origins in another country ? | What portion of residents of the nation that invented the Type 96 25 mm AT/AA towed anti-tank Gun inhabit areas that are urban ? | What broader group included the Gauls that occupied the region of the nation that invented the 25 mm APX modèle 1937 towed anti-tank gun ? | Which city stayed capital of the nation that invented the MG 18 TuF towed anti-tank gun ? | Whose rule came after Nicholas II 's autocracy in the nation that invented the 37-mm towed anti-tank gun M1930 ( 1-K ) ?

Answers:
2.5 million | 90% | Celtic | Berlin | Russian Provisional Government