| Montero Gibert, José Ramón | 21 | | Torcal, Mariano | 6 | | Lago Peñas, Ignacio | 6 | | Gunther, Richard | 3 | | Calvo, Kerman | 2 |
| | Teorell, Jan | 1 | | Colomer, Josep María | 1 | | Font, Joan | 1 | | Martínez, Alvaro | 1 | | Newton, Ken | 1 | | Zmerli, Sonja | 1 |
| | | Torcal, Mariano | 4 | | Montero Gibert, José Ramón | 3 | | Barreiro, Belén | 2 | | Medina, Lucía | 2 | | Boix Serra, Carles | 1 |
| | Calvo, Kerman | 1 | | Capo Giol, Jordi | 1 | | Fraile, Marta | 1 | | Fraile, Marta | 1 | | García de Polavieja, Javier | 1 | | Gunther, Richard | 1 | | Jaime Castillo, Antonio M. | 1 | | Morales Diez de Ulzurrun, Laura | 1 | | Ocaña Lara, Francisco A. | 1 | | Oñate Rubalcaba, Pablo | 1 | | Pallarés, Francesc | 1 | | Posner, Daniel | 1 | | Riba I Romeva, Clara | 1 | | Santamaría, Julián | 1 | | Wert, Jose Ignacio | 1 |
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| | Urdánoz Ganuza, Jorge | 5 | | Lago Peñas, Ignacio | 3 | | Montero Gibert, José Ramón | 3 | | Riba I Romeva, Clara | 3 | | Caravaca Barroso, Inmaculada | 2 |
| | Fraile, Marta | 2 | | Pallarés, Francesc | 2 | | Villoria Mendieta, Manuel | 2 | | Alvarez Conde, Enrique | 1 | | Bali, V. | 1 | | Benedicto Millán, Jorge Alberto | 1 | | Boix Serra, Carles | 1 | | Bolívar Botía, Antonio | 1 | | Calvo, Kerman | 1 | | Cascajo Castro, Jose Luis | 1 | | Equipo de Investigación de Elites Parlamentarias | 1 | | Fernández-Miranda Campoamor, Alfonso | 1 | | García Couso, Susana | 1 | | Garrido Fernández, Fernando E. | 1 | | Gómez Fortes, Baudilio | 1 | | Gonzalez, G. | 1 | | González Romero, Gema | 1 | | Huneeus-Dieter Nohlen, Carlos | 1 | | Lago Peñas, Santiago | 1 | | Maldonado, Luis | 1 | | Martínez, Alvaro | 1 | | Martínez, Ferran | 1 | | Morales Diez de Ulzurrun, Laura | 1 | | Mota, Fabiola | 1 | | Moyano Estrada, Eduardo | 1 | | Ocaña Lara, Francisco A. | 1 | | Oñate Rubalcaba, Pablo | 1 | | Pérez Alberdi, Reyes | 1 | | Ruiz Miguel, Jesús Alfonso | 1 | | Silva, R. | 1 | | Subirats, Joan | 1 | | Torcal, Mariano | 1 | | Uriarte Bengoechea, Edurne | 1 | | Vargas-Machuca Ortega, Ramón Arturo | 1 |
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