In its 2009 issue of the annual report that it has been publishing since 2003, the Carbon Disclosure Project (CDP) reported that the response rate to its annual requests for information on greenhouse gas (GHG) emissions by corporations was the highest ever. Of the 500 largest corporations in the FTSE Global Equity Index Series, 409, or 82%, provided responses, up from 383 in 2008... [The] response rate from corporations in developing countries was encouraging, the CDP found. The response from corporations headquartered in the BRIC countries (Brazil, Russia, India, and China) doubled since 2008 to 44%, including a 100% response rate from Brazil, and responses from Asian corporations increased by 39%, from 51 to 71... The report found that the standard of disclosure was highest in the carbon-intensive utilities sector, followed by health care and materials... The companies that scored highest in the CDP 2009 report were Bayer, BASF, HSBC Holdings, Wal-Mart, and Chevron. PG&E scored highest in the utilities sector, Spectra Energy in the energy sector, Boeing in industrials, and Samsung Electronics in information technology... Among the largest non-responders...to the CDP's request for reporting on emissions reduction are four companies from China: PetroChina and China Petroleum and Chemical [Sinopec]..., China Mobile..., and Bank of China...[as well as] Berkshire Hathaway.