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 54 35.3%
2 United States 32 20.9%
3 Germany 16 10.5%
4 Netherlands 11 7.2%
5 Singapore 9 5.9%
6 Hong Kong 9 5.9%
7 Switzerland 4 2.6%
8 France 3 2%
9 Canada 2 1.3%
10 Czech Republic 2 1.3%
11 Australia 2 1.3%
12 Malaysia 2 1.3%
13 Japan 2 1.3%
14 Korea, Republic of 1 0.7%
15 Macao 1 0.7%
16 Spain 1 0.7%
17 Belgium 1 0.7%
18 Italy 1 0.7%