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 242 34.1%
2 United States 235 33.1%
3 Netherlands 78 11%
4 Germany 42 5.9%
5 France 29 4.1%
6 Taiwan 19 2.7%
7 United Kingdom 16 2.3%
8 Hong Kong 11 1.5%
9 Russia 7 1%
10 Senegal 6 0.8%
11 Singapore 5 0.7%
12 Korea, Republic of 4 0.6%
13 India 3 0.4%
14 3 0.4%
15 Australia 2 0.3%
16 Poland 2 0.3%
17 Moldova, Republic of 1 0.1%
18 Sweden 1 0.1%
19 Belgium 1 0.1%
20 Canada 1 0.1%
21 Estonia 1 0.1%
22 Ukraine 1 0.1%