2015 Event The International Energy Agency estimates that oil prices will remain relatively low for the next five years, potentially dipping this year to an average of $55/barrel before increasing to about $73/barrel by the year 2020 2014 Event Indian Prime Minister Narendra Modi will begin targeting assets stored overseas in an effort to avoid taxes; the Indian government estimates that up to $2 trillion may be in hiding; the nation follows China and Russia in magnitude of offshored wealth 2013 Event The Harvard-Smithsonian Center for Astrophysics estimates at least 17 billion planets exist that are comparable to the size of the Earth and the Milky Way 2011 Event Japan estimates over 46,000 structures were damaged in the 9.0 magnitude earthquake 2010 Event The U.S. Government estimates the Deepwater Horizon oil spill dumped nearly 5 million barrels of oil into the Gulf of Mexico 2010 Event Roza Otunbayeva, interim leader of Kyrgyzstan, estimates the death toll from the country's worst ethnic battle in decades could be as many as 2,000 people 1998 Event U.S. Census Bureau estimates population at 268,921,733 1997 Event U.S. Agriculture Department estimates it costs $149,820 to raise a child to 18 1988 Event U.N. estimates Asia's population hits 3 billion