The three pie charts illustrate how many foreign travellers from particular countries paid a visit to the United States over a period of 4 years starting from 1988.
Overall, the percentage of tourists from Mexico and China witnessed an upward trend while the opposite was true for that of Canada. In addition, visitors who come from Canada made up the largest proportion of arrivals throughout the period.
In detail, comprising a fourth of the total, the percentage of travellers from Mexico then decreased to 20% and rose just over 25% again in 1990 and 1992, respectively. Meanwhile, the US welcomed only a tenth of Chinese arrivals in the initial year, but later the percentage for this saw a substantial increase to 28% in 1990, followed by a slight growth of 2% in the next 2 years, which making it the second highest proportion of visitors.
Regarding the remaining countries, at approximately more than half of the total, there was a rapid decline of 10% from 53% in 1990 and then it dropped further to around 40% at the end of the period, which still outnumbered other its counterparts. Similarly, the percentage of tourists from other countries also saw a downward trend when it recorded a dramatic fall to only 4% in 1992 after decreasing to 9% in 1988 from 12%.