BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 61 39.6%
2 United States 31 20.1%
3 Germany 17 11%
4 Netherlands 15 9.7%
5 France 5 3.2%
6 Hong Kong 5 3.2%
7 Czech Republic 4 2.6%
8 Australia 3 1.9%
9 Canada 3 1.9%
10 India 2 1.3%
11 Romania 2 1.3%
12 Russia 2 1.3%
13 United Kingdom 2 1.3%
14 Philippines 1 0.6%
15 Korea, Republic of 1 0.6%