IELTS: visits abroad; some persons visit to abroad because they have some gains

The table provided information on visits abroad and the destinations by the UK residents.

Generally, there are many groups to go to visit to abroad and they have different add every year.

Firstly, in 1994, many persons were visiting to abroad approximately 15246 at holiday. This was then decreased slightly approximately 14898 in 1995. After that, it rose sharply in 1996 until 1998 among 17896, 19703, 20700 respectively. Then, some people have some business in abroad and they have increase every year to go abroad. Next, visits to friend and relatives have increase and other reasons have rose sharply .

Secondly, many persons go to Western Europe have increased sharply every year from 1994 and 1998. This was then North America undergoes fluctuated every year and other areas have increased grammatically every year in 1994 until 1998 and other areas have percentage people increase steadily.

Overall, The data undergoes increase steadily where some persons visit to abroad because they have some gains.

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... You need to give a good understanding about the overall picture by the overview. This is what I suggest;
Overall, the number of UK citizens who visited foreign countries have increased during the period under review while majority of them had traveled for tourism purpose. Further, the majority UK citizens have chosen Western Europe as their travel destination.

Thanks dumi for your suggestion.

you should use present on your introduction because it covers all parts of the report, it does not focus on a specific time yet in the data, but all parts of the data