The industrial sector, which was dominated by steel until the 1960s, has since diversified to include chemicals, rubber, and other products. During the past decades, growth in the financial sector has more than compensated for the decline in steel production. Services, especially banking and finance, account for the majority of economic output. Luxembourg is the world's second largest investment fund centre (after the United States), the most important private banking centre in the euro-zone and Europe's leading centre for reinsurance companies.