How come none of these are added?

1999 Chevrolet Monte Carlo Nascar ** [done]

1999 Ford Taurus Nascar ** [done]

1999 Pontiac Grand Prix Nascar ** [done]

2000 Chevrolet Monte Carlo Nascar *** [done]

2000 Ford Taurus Nascar ** (Texaco Car) [done]

2000 Pontiac Grand Prix Nascar ** [done]