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 415 46.5%
2 United States 237 26.6%
3 Netherlands 88 9.9%
4 Germany 46 5.2%
5 Taiwan 27 3%
6 Canada 20 2.2%
7 Hong Kong 12 1.3%
8 Russia 8 0.9%
9 Malaysia 7 0.8%
10 Japan 6 0.7%
11 Indonesia 4 0.4%
12 United Kingdom 4 0.4%
13 Sweden 3 0.3%
14 India 3 0.3%
15 France 3 0.3%
16 Macao 2 0.2%
17 Slovakia 2 0.2%
18 Norway 1 0.1%
19 Moldova, Republic of 1 0.1%
20 Australia 1 0.1%
21 Korea, Republic of 1 0.1%
22 Ukraine 1 0.1%