As casino gambling continues to expand across the country, Las Vegas is still the barometer for measuring trends in the gaming industry. The latest figure released show that gaming revenue is up overall but the slot machines accounted for the biggest increase. Table game revenue was up 11.7 % growing from $3.3 billion to $3.7 billion but the money made from slots increased 25.5% from $6.1 billion to $7.7 billion.