In no event shall the sale of wine and beer exceed twenty-five percent of the total annual gross sales at the gift shop.
Code 1950, § 4-25; 1952, c. 535; 1956, c. 520; 1962, c. 532; 1964, c. 210; 1970, cc. 627, 723; 1972, c. 679; 1973, c. 343; 1974, c. 267; 1975, c. 408; 1976, cc. 134, 447, 496, 703; 1977, c. 439; 1978, c. 190; 1979, c. 258; 1980, cc. 526, 528; 1981, cc. 410, 412; 1982, c. 66; 1984, c. 200; 1987, c. 365; 1988, c. 893; 1989, c. 42; 1990, c. 707; 1991, c. 628; 1992, cc. 215, 350; 1993, c. 866.