Since 2003, SAT Math 750-800 scores up 32%, while Critical Reading unchanged.

Score Range/Yr.	CR	% Chg.	Math	% Chg.	Writing	Total	% Chg.
750-800/ 2008	24,569	-13.4	40,466	+15.1	22,035	87070	+4.5%
750-800/ 2007	28,366	+9.3	35,136	+7.1	19,814	83316	+9.2%
750-800/ 2006	25,944		32,800		17,510	76254
750-800/ 2003	25,114		30,440
700-749/ 2008	45,360	-1.7	56,755	+4.9	41,332	143447	+2.5%1
700-749/ 2007	46,128	+7.2	54,108	-14.1	39,725	139961
700-749/ 2006	43,049		62,959		37,848	143856
2008 tests takers						1,518,859	1.6%
2007 test takers						1,494,531	2.0%
2006 test takers						1,465,744
2003 test takers						1,406,324

This table compiles the number of SAT test takers with high scores on the SAT subsections in recent years.  The most interesting finding is the increase in high (750-800) Math scores, 32.9% since 2003, while the number of high CR scores is virtually unchanged.

http://professionals.collegeboard.com/profdownload/Total_Group_Report.pdf

http://www.collegeboard.com/prod_downloads/about/news_info/cbsenior/yr2007/national-report.pdf

http://www.collegeboard.com/prod_downloads/about/news_info/cbsenior/yr2006/national-report.pdf

http://www.collegeboard.com/prod_downloads/about/news_info/cbsenior/yr2003/2003_TOTALGRP_PRD.pdf