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 343 41.9%
2 United States 215 26.3%
3 Netherlands 123 15%
4 Germany 62 7.6%
5 Canada 19 2.3%
6 Russia 9 1.1%
7 France 9 1.1%
8 Norway 8 1%
9 Ukraine 8 1%
10 Singapore 5 0.6%
11 India 4 0.5%
12 Turkey 3 0.4%
13 United Kingdom 2 0.2%
14 Sweden 2 0.2%
15 Malaysia 2 0.2%
16 Moldova, Republic of 1 0.1%
17 Japan 1 0.1%
18 Thailand 1 0.1%
19 Sri Lanka 1 0.1%