$20,000 Jul 20, 2011 Issue: Taxation/Internal Revenue Code Environment/Superfund Energy/Nuclear Clean Air and Water (quality) Trade (domestic/foreign) Defense Fuel/Gas/Oil

$30,000 Apr 20, 2011 Issue: Clean Air and Water (quality) Fuel/Gas/Oil Energy/Nuclear Environment/Superfund Taxation/Internal Revenue Code Trade (domestic/foreign) Defense

$20,000 Jan 20, 2011 Issue: Trade (domestic/foreign) Taxation/Internal Revenue Code Defense Energy/Nuclear Fuel/Gas/Oil Environment/Superfund Clean Air and Water (quality)

$20,000 Jan 17, 2011 Issue: Science/Technology Fuel/Gas/Oil Energy/Nuclear Environment/Superfund Taxation/Internal Revenue Code

$30,000 Oct 20, 2010 Issue: Taxation/Internal Revenue Code Environment/Superfund Energy/Nuclear Clean Air and Water (quality) Fuel/Gas/Oil Trade (domestic/foreign) Defense

$20,000 Oct 15, 2010 Issue: Science/Technology Fuel/Gas/Oil Energy/Nuclear Taxation/Internal Revenue Code Environment/Superfund

$30,000 Jul 20, 2010 Issue: Clean Air and Water (quality) Fuel/Gas/Oil Environment/Superfund Energy/Nuclear Defense Agriculture Taxation/Internal Revenue Code

$20,000 Jul 16, 2010 Issue: Science/Technology Fuel/Gas/Oil Energy/Nuclear Environment/Superfund Taxation/Internal Revenue Code

$30,000 Apr 20, 2010 Issue: Fuel/Gas/Oil Clean Air and Water (quality) Defense Agriculture Taxation/Internal Revenue Code Environment/Superfund Energy/Nuclear

$20,000 Apr 16, 2010 Issue: Science/Technology Fuel/Gas/Oil Energy/Nuclear Environment/Superfund Taxation/Internal Revenue Code

$30,000 Jan 20, 2010 Issue: Agriculture Environment/Superfund Energy/Nuclear Fuel/Gas/Oil Clean Air and Water (quality) Trade (domestic/foreign) Defense Taxation/Internal Revenue Code

$20,000 Jan 15, 2010 Issue: Science/Technology Fuel/Gas/Oil Energy/Nuclear Environment/Superfund Taxation/Internal Revenue Code

$10,000 Jul 20, 2009 Issue: Energy/Nuclear Taxation/Internal Revenue Code Agriculture

$20,000 Jul 14, 2009 Issue: Fuel/Gas/Oil Environment/Superfund Taxation/Internal Revenue Code Science/Technology Energy/Nuclear

$10,000 Apr 20, 2009 Issue: Energy/Nuclear

$10,000 Apr 08, 2009 Issue: Science/Technology Fuel/Gas/Oil Energy/Nuclear Environment/Superfund Taxation/Internal Revenue Code

$40,000 Mar 13, 2009 Issue: Energy/Nuclear

$50,000 Jan 28, 2009 Issue: Fuel/Gas/Oil Energy/Nuclear Taxation/Internal Revenue Code

$90,000 Jan 16, 2009 Issue: None

$40,000 Oct 20, 2008 Issue: Energy/Nuclear Taxation/Internal Revenue Code Fuel/Gas/Oil

$50,000 Jul 30, 2008 Issue: Environment/Superfund Energy/Nuclear Fuel/Gas/Oil Taxation/Internal Revenue Code Agriculture

$30,000 Apr 21, 2008 Issue: Environment/Superfund Taxation/Internal Revenue Code Agriculture Fuel/Gas/Oil

$60,000 Feb 14, 2008 Issue: Fuel/Gas/Oil Agriculture Taxation/Internal Revenue Code Environment/Superfund

$80,000 Nov 07, 2007 Issue: Taxation/Internal Revenue Code Environment/Superfund Fuel/Gas/Oil