adding new sample exposure file from Vitor
adding new sample exposure file from Vitor


Former-commit-id: 24f3ce95763fdb206d4f24851574f4aa61230bc9 [formerly 24f3ce95763fdb206d4f24851574f4aa61230bc9 [formerly 2df5e34fdeb5f4e055cd0d733702f3c5c83552bf]]
Former-commit-id: 9cd5085803cdda69d5ada0071a7888d124f4c940
Former-commit-id: 74856d6348f3a4c96af90c2c767c28d5ff3dbf6d
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine