Which countries have tricolor flags? (Must be an Olympic country)

The following countries participating in the Olympic Games are pure tricolor flags:

North Korea: blue, white, red, white and blue (up and down, with "five stars" in the middle)

Thailand: red, white, blue, white and red (up and down)

Russia: white, blue and red (up and down)

Slovenia: white, blue and red (up and down)

Croatia: red, white and blue (up and down)

Serbia and Montenegro: blue, white and red (up and down)

United Kingdom: Mite flag with blue background, red and white.

Netherlands: red, white and blue (up and down)

Luxembourg: red, white and blue (up and down)

France: blue, white and red (left and right)

Norway: Red, white and blue (the pattern is "Scandinavian Cross")

Iceland: red, white and blue (the pattern is "Scandinavian Cross")

Czech Republic: blue, white and red (blue triangle on the left)

Slovakia: white, blue and red (up and down, with national emblem in the middle)

Liberia: red, white and blue (five stars in the blue square in the upper left corner)

USA: Red, White and Blue (Stars and Stripes)

Panama: red, white and blue (composed of four equal rectangles, one star in the upper left corner and one star in the lower right corner);

Cuba: Red, white and blue ("Lone Star Flag")

Chile: blue, white and red (up and down, five stars in the upper left corner, blue background and white)

Australia: red, white and blue.