发生错误 详情 隐藏
您有未保存页面 恢复 取消

美利坚合众国 - 科技期刊论文

408,985
(数量)
在 2016

科技期刊文章指在以下领域出版的科学和工程文章数量:物理、生物、化学、数学、临床医学、生物医学研究、工程和技术以及地球与空间科学。

Download our latest US ECONOMY cheat sheet Download

Download our latest US ECONOMY cheat sheet

The United States being the biggest economy in the world significantly influences the global economic situation. The US economy is comprehensively covered by data and statistics from multiple government and private sources. We selected the most significant and up-to-date ones and presented them in this cheat sheet.

日期 修改, %
2016 408,985 -4.70%
2015 429,139 -2.52%
2014 440,230 1.15%
2013 435,212 0.67%
2012 432,312 1.74%
2011 424,938 3.68%
2010 409,853 2.75%
2009 398,871 1.77%
2008 391,933 0.64%
2007 389,452 1.65%
2006 383,115 0.90%
2005 379,701