Lobbying has become a huge business involving battles over governmental public policies, and trillions of dollars in appropriations, contracts, and profits are up for grabs. Between 1998 and 2006, the american medical association spent in excess of $1.5 million on lobbying the federal government, and that total placed it second on the biggest spender list to the$3.17 million spent by the U.S chamber of commerce (Morgan and Hrebenar, 2009, pg.33). Overall, lobbying expenditures of groups lobbying the federal governement totaled $2.44 billion in 2011 up from $1.44 billion in 1998, the number of lobbyist have on the same note increased from 10,406 in 1998 to 12,193 in 2011(Center for Responsive Politics, 2011). Several billions of additional dollars were also spent on the state level in lobbying(Center for Responsible Politics, 2007).
Between 1998 and 2010 the top three sectors and their total spending on average are, the finance, insuarance and real estate sector having spent $4,274,060,331 representing 14.53 percent of the total spending, second is the health sector spending $4,222,427,808 representing 14.53% of total spending, third is the Misc business sector representing 14.11%. The energy and natural resources sector lies fifth representing 10.55% lobbying spending .