"exchange"<- structure(.Data = list(USD.GBP = c(1.6865, 1.6905, 1.6855, 1.6951, 1.6884, 1.6947, 1.6817, 1.6725, 1.6701, 1.6783, 1.6767, 1.6707, 1.6603, 1.6637, 1.6537, 1.6295, 1.6279, 1.6235, 1.6161, 1.6212, 1.6094, 1.6023, 1.6146, 1.6207, 1.6377, 1.6351, 1.623, 1.6387, 1.6445, 1.6335, 1.6243, 1.6211, 1.6181, 1.6031, 1.6139, 1.6111, 1.6155, 1.6335, 1.6327, 1.6335, 1.6291, 1.6291, 1.6177, 1.6163, 1.611, 1.6133, 1.6035, 1.6009, 1.606, 1.5927, 1.597, 1.6025, 1.5901, 1.5895, 1.5981, 1.5942, 1.6017, 1.617, 1.6172, 1.628, 1.6315, 1.6452, 1.6488, 1.6425, 1.6455, 1.638, 1.6278, 1.6235, 1.6215, 1.6235, 1.6246, 1.6227, 1.6267, 1.6245, 1.6313, 1.632, 1.6352, 1.6366, 1.6221, 1.6255, 1.6238, 1.6235, 1.6326, 1.6205, 1.6242, 1.6223, 1.6203, 1.6375, 1.6371, 1.6201, 1.6212, 1.6237, 1.6321, 1.6321, 1.6387, 1.6377, 1.6444, 1.6465, 1.6265, 1.633, 1.6405, 1.6287, 1.6379, 1.6407, 1.6357, 1.6343, 1.6361, 1.6279, 1.6334, 1.6286, 1.6353, 1.6385, 1.6373, 1.636, 1.636, 1.6368, 1.6389, 1.6383, 1.6483, 1.6545, 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1.5147, 1.5119, 1.5118, 1.5143, 1.5138, 1.5143, 1.5071, 1.4999, 1.4992, 1.4924, 1.4945, 1.4944, 1.5089, 1.5177, 1.5141, 1.5192, 1.516, 1.5114, 1.5027, 1.4986, 1.5001, 1.4923, 1.4953, 1.5034, 1.503, 1.5002, 1.4983, 1.5045, 1.5063, 1.5062, 1.4992, 1.499, 1.4896, 1.4911, 1.4801, 1.4816, 1.4803, 1.474, 1.4719, 1.4615, 1.4566, 1.451, 1.4601, 1.4518, 1.4445, 1.438, 1.4203, 1.4117, 1.4017, 1.4128, 1.4057, 1.4001, 1.4013, 1.4085, 1.4111, 1.4279, 1.4577, 1.4538, 1.4598, 1.4611, 1.4641, 1.479, 1.467, 1.4567, 1.4563, 1.4507, 1.4443, 1.4495, 1.4617, 1.4728, 1.4591, 1.4459, 1.4423, 1.4468, 1.4432, 1.4453, 1.4555, 1.4497, 1.4341, 1.4323, 1.4515, 1.4535, 1.4509, 1.4457, 1.4443, 1.4485, 1.4311, 1.4312, 1.4232, 1.4243, 1.4309, 1.4309, 1.4265, 1.4229, 1.4233, 1.4223, 1.4169), CAD.GBP = c( 2.3167, 2.3224, 2.3056, 2.2999, 2.285, 2.2906, 2.2666, 2.2557, 2.2551, 2.2521, 2.2449, 2.2379, 2.2195, 2.227, 2.2082, 2.1858, 2.1952, 2.1818, 2.1661, 2.181, 2.1694, 2.1588, 2.1687, 2.1768, 2.1996, 2.2044, 2.1898, 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