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 399 45.2%
2 Netherlands 154 17.5%
3 United States 153 17.3%
4 Germany 57 6.5%
5 Canada 30 3.4%
6 Malaysia 21 2.4%
7 Iran, Islamic Republic of 8 0.9%
8 Russia 8 0.9%
9 France 7 0.8%
10 Norway 6 0.7%
11 India 5 0.6%
12 Myanmar 4 0.5%
13 New Zealand 3 0.3%
14 Taiwan 3 0.3%
15 United Kingdom 3 0.3%
16 Singapore 2 0.2%
17 Romania 2 0.2%
18 Korea, Republic of 2 0.2%
19 Indonesia 2 0.2%
20 Bangladesh 2 0.2%
21 Aruba 2 0.2%
22 Hong Kong 2 0.2%
23 Czech Republic 2 0.2%
24 Hungary 1 0.1%
25 Australia 1 0.1%
26 Japan 1 0.1%
27 Macao 1 0.1%
28 Ukraine 1 0.1%