BPG致力于知识的发现和传播
Total Visits of This Article
2019 | 总访问次数
排名 国家/地区 数量 占比
1 153 52.8%
2 China 44 15.2%
3 United States 36 12.4%
4 Germany 17 5.9%
5 India 6 2.1%
6 Russia 5 1.7%
7 United Kingdom 5 1.7%
8 Turkey 3 1%
9 Ukraine 2 0.7%
10 Poland 2 0.7%
11 Hong Kong 2 0.7%
12 Iran, Islamic Republic of 2 0.7%
13 Italy 2 0.7%
14 Brazil 2 0.7%
15 France 2 0.7%
16 Czech Republic 1 0.3%
17 Australia 1 0.3%
18 Belarus 1 0.3%
19 Bolivia, Plurinational State of 1 0.3%
20 Japan 1 0.3%
21 Korea, Republic of 1 0.3%
22 Taiwan 1 0.3%