Overall, an upward trend can be observed throughout the period, except for Spain, which had a small decrease. While Germany consistantly remained the dominant category, Belgium with the biggest change experienced the most dramatic growth and eventually overtook Germany. By contrast, Italy remained the lowest throughout the timeframe.
In 2000, Germany emerged as the leading category, standing at about 31%, while Spain and Belgium followed at 27% and 23% respectively. By comparison, the figures for the lowest subject/group, Italy, were far less significant, at approximately 3%.
However, the subsequent years witnessed mainly upward trends. While Germany increased slowly, Spain followed a similar trajectory, eventually reaching 36% by 2004. Meanwhile, Belgium also rose sharpy from 23% to 35% over the same period.
In contrast to the trends observed in group A, the UK and Italy followed a different pattern throughout the timeframe. Although starting from a relatively low base, Italy experienced a big growth, eventually overtaking the UK by 2008. Its figure then stayed stable at around 23% until 2012, while the UK also increased gradully to the same level.
By the end of the timeframe, Belgium had consolidated its position as the dominant category at approximately 39%, whereas Italy and the UK remained the lowest, standing at around 23%.