48,800,000,000 the US dollar amount of equity raised by privatizations in the EMEA region in the first 11 months of 2007. The figure is up 80% over the same period in 2006. Privatizations accounted for 13% of all equity capital raised, compared with 10% in 2006. 12.4 the percentage of foreign companies listed in New York that delisted in the first 11 months of 2007. The number of delistings amounted to 30, up from just 12 in 1997. 6,400,000,000the US dollar amount raised in IPOs by renewable energy companies between January and November 2007. However, the figure could more than double if Iberdrola Renovables IPO, which is expected to raise $6.7 billion, goes ahead. Renewable energy companies have raised more than $15.4 billion in equity capital in 2007, an increase of 62% on 2006. Europe is the leading region for renewable energy IPOs in 2007, raising 31.6% of the total, followed by north Asia, which raised 28.5% of the total. China, however, is the leading nation for renewable energy IPOs, raising 27.1% of the total, followed by Brazil which raised 26.9%. 230,000,000,000the notional dollar value of trading in structured/securitized equity products in Europe over the past 12 months. According to research from Greenwich Associates, European institutional investors have increased their use of such equity derivatives by more than two-thirds over the past year. According to Greenwich, nearly 80% of European institutional investors now use structured/securitized equity products or exotic OTC products and almost 90% use highly liquid "flow" equity derivatives products such as listed options, index futures, swaps, and exchange-traded funds. Continental institutions are far more active users of equity derivatives than their UK-based counterparts.