 After Slovenia seceded from Yugoslavia in 1991, the loss of the Yugoslav market severely strained the city's economy, which was based on heavy industry.The city saw a record unemployment rate of nearly 25%.The economic situation of Maribor after the mid-1990s crisis worsened again with the onset of global economic crisis combined with the European sovereign-debt crisis, which was one of the causes for the beginning of 2012–13 Maribor protests which spread into 2012–2013 Slovenian protests.