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 United States 409 40.6%
2 China 340 33.7%
3 Netherlands 76 7.5%
4 France 59 5.9%
5 Germany 57 5.7%
6 Canada 14 1.4%
7 Hong Kong 13 1.3%
8 Taiwan 10 1%
9 Portugal 6 0.6%
10 Ukraine 4 0.4%
11 Singapore 3 0.3%
12 Norway 3 0.3%
13 3 0.3%
14 Albania 2 0.2%
15 Japan 2 0.2%
16 Russia 2 0.2%
17 Turkey 2 0.2%
18 Sweden 1 0.1%
19 Malaysia 1 0.1%
20 Australia 1 0.1%