BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 486 43.1%
2 United States 274 24.3%
3 Netherlands 167 14.8%
4 Germany 66 5.9%
5 Canada 19 1.7%
6 Malaysia 19 1.7%
7 Hong Kong 15 1.3%
8 Singapore 14 1.2%
9 Russia 12 1.1%
10 France 12 1.1%
11 Norway 7 0.6%
12 United Kingdom 7 0.6%
13 Taiwan 4 0.4%
14 Ukraine 4 0.4%
15 India 4 0.4%
16 Brazil 3 0.3%
17 Australia 2 0.2%
18 Chile 2 0.2%
19 Philippines 2 0.2%
20 Lithuania 2 0.2%
21 Macao 2 0.2%
22 South Africa 2 0.2%
23 Poland 1 0.1%
24 Japan 1 0.1%